clean up

Author: Hieu Luong

src/graph/unionfind/Problem924/_Minimize_Malware_Spread.java renamed to src/graph/unionfind/Problem924_MinimizeMalwareSpread.java

@@ -1,11 +1,11 @@
-package graph.unionfind.Problem924;
+package graph.unionfind;
 
 import data.UnionFind;
 
 import java.util.HashMap;
 import java.util.Map;
 
-public class _Minimize_Malware_Spread {
+public class Problem924_MinimizeMalwareSpread {
 
     public int minMalwareSpread(int[][] G, int[] M) {